142857142873 has 8 divisors (see below), whose sum is σ = 143235882720. Its totient is φ = 142478872800.

The previous prime is 142857142859. The next prime is 142857142889. The reversal of 142857142873 is 378241758241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142857142873 - 2⁹ = 142857142361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142857142873.

It is not an unprimeable number, because it can be changed into a prime (142857142843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495786 + ... + 729052.

It is an arithmetic number, because the mean of its divisors is an integer number (17904485340).

Almost surely, 2^142857142873 is an apocalyptic number.

It is an amenable number.

142857142873 is a deficient number, since it is larger than the sum of its proper divisors (378739847).

142857142873 is a wasteful number, since it uses less digits than its factorization.

142857142873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234887.

The product of its digits is 3010560, while the sum is 52.

The spelling of 142857142873 in words is "one hundred forty-two billion, eight hundred fifty-seven million, one hundred forty-two thousand, eight hundred seventy-three".